i think you got it mixed up... well on the east, if you ski all mountain, and you have the skills to power it, you want a stiff ski. a soft ski is generally a more forgiving ride, and is ok if you just do park, because you don't really need the carving performance, and probably want a more forgiving landing. i ski alot of park though, and i still prefer a stiff ski, cause it gives me better pop, and i like to carve hard.
------
i didn't come here with pants, and i'm not leaving with pants